LG Energy Solution Ltd. on Friday estimated its first-quarter operating earnings at 157.3 billion won (US$116.3 million), down 75.2 percent from a year earlier. Revenue decreased 29.9 percent to 6.12 trillion won. The data for net earnings was not available. The operating profit was 14.3 percent higher than the average estimate, according to a survey by Yonhap Infomax, the financial data firm of Yonhap News Agency. Source: Yonhap News Agency